. >> china has the great wall. jerusalem has the wailing wall. prague has the lennon wall. for "teen kids news," i'm lauren. >> there's an entire history lesson in a state flag. you just need to know what to look for. >> when the american colonies declared their independence from england, one led the way with a rousing motto. >> the year was 1774, two years before the declaration of independence, and new hampshire declared their own independence from great britain. the motto at the time was "live free or die," and it's still the state motto today. >> another revolutionary first for new hampshire is pictured here on the state flag. in 1776, the warship raleigh was the first to fly the new american flag. new hampshire is home to many other firsts. the first potato was grown here. america's first astronaut in space, alan shepard, was born here, as was the first free public library. >> new hampshire is known as "the granite state," and it's because their number-one natural resource is granite. this is a particularly good stone for building bridges, houses, even statues. and alt